KFC Crispy Chicken Recipe - Korean Seasoned Chicken Sauce

*Chicken 350g chicken tenderloin 1 tsp salt 1/2 tbsp pepper 1 tbsp garlic powder 1 tsp chili powder *Dry powder 100g all-purpose flour 50g corn starch 1 tsp salt 1 tsp garlic powder 1/2 tbsp pepper *Wet powder 3 tablespoons of flour 1 egg 50ml water